domain stretches from the legendary vineyards of tuscany and umbria to their property in california's napa valley. antinori is, perhaps, the oldest family business on earth. >> the first document which we have which proves that an ancestor of mine was involved in the wine production dates back to 1385. the patriarch and still the godfather is piero antinori. he bares the noble title of marchese. he works behind an antique desk that dates back to the renaissance. >> when we have to take some decision regarding the family, we have them here. and my father used to do the same thing. >> and in his birthplace, florence, the city that gave birth to the renaissance, that flowering of art, science, and the good life, he leads a visitor to a small window to the past. it looks like a confessional. [laughing] hundreds of years ago, an antinori cellar master sat waiting for customers to knock. >> the cellar master would pass a bottle of chianti wine and would receive the money back. this has been in operation until a couple of centuries ago. >> recent history by your standards. >> yes it is. >> for ov